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Add support for subsections to the ELF assembler. Fixes PR8717.

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Differential Revision: http://llvm-reviews.chandlerc.com/D598

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@179725 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Peter Collingbourne
2013-04-17 21:18:16 +00:00
parent 53c9def433
commit df39be6cb4
30 changed files with 288 additions and 118 deletions
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12
lib/MC/MCSectionELF.cpp
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@ -10,6 +10,7 @@
#include "llvm/MC/MCSectionELF.h"
#include "llvm/MC/MCAsmInfo.h"
#include "llvm/MC/MCContext.h"
#include "llvm/MC/MCExpr.h"
#include "llvm/MC/MCSymbol.h"
#include "llvm/Support/ELF.h"
#include "llvm/Support/raw_ostream.h"
@ -32,10 +33,14 @@ bool MCSectionELF::ShouldOmitSectionDirective(StringRef Name,
}
void MCSectionELF::PrintSwitchToSection(const MCAsmInfo &MAI,
raw_ostream &OS) const {
raw_ostream &OS,
const MCExpr *Subsection) const {
if (ShouldOmitSectionDirective(SectionName, MAI)) {
OS << '\t' << getSectionName() << '\n';
OS << '\t' << getSectionName();
if (Subsection)
OS << '\t' << *Subsection;
OS << '\n';
return;
}
@ -129,6 +134,9 @@ void MCSectionELF::PrintSwitchToSection(const MCAsmInfo &MAI,
if (Flags & ELF::SHF_GROUP)
OS << "," << Group->getName() << ",comdat";
OS << '\n';
if (Subsection)
OS << "\t.subsection\t" << *Subsection << '\n';
}
bool MCSectionELF::UseCodeAlign() const {